Home / 12,196.62-16,831.67-6,891.32

Finding the Fourth Proportional to 12,196.62, 16,831.67 and 6,891.32

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Solution

The fourth proportional to 12,196.62, 16,831.67 and 6,891.32 is: 9,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.62 : 16,831.67 = 6,891.32 : x
  2. Step 2: Convert to fraction form
    12,196.62/16,831.67 = 6,891.32/x
  3. Step 3: Cross multiply
    12,196.62x = 16,831.67 × 6,891.32
  4. Step 4: Simplify right side
    12,196.62x = 115,992,305.49
  5. Step 5: Solve for x
    x = 115,992,305.49/12,196.62
  6. Step 6: Final answer
    x = 9,510.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.